diff --git a/core/assets/bundles/bundle_ko.properties b/core/assets/bundles/bundle_ko.properties
index aab0bed693..9709ec5252 100644
--- a/core/assets/bundles/bundle_ko.properties
+++ b/core/assets/bundles/bundle_ko.properties
@@ -299,7 +299,7 @@ text.category.shooting=발사
 setting.difficulty.easy=쉬움
 setting.difficulty.normal=보통
 setting.difficulty.hard=어려움
-setting.difficulty.insane=미침
+setting.difficulty.insane=[#1E90FF]K[#ADFF2F]O[#FFB6C1]R[#B0C4DE]E[#FF4500]A
 setting.difficulty.purge=[#1E90FF]K[#ADFF2F]O[#FFB6C1]R[#B0C4DE]E[#FF4500]A
 setting.difficulty.name=난이도:
 setting.screenshake.name=화면 흔들기